Domestic demand for water can be assessed using: A. X.Y.Z B.

domestic-demand-for-water-can-be-assessed-using-a-x-y-z-b

Domestic demand for water can be assessed using:

A. X.Y.Z

B. H.I.J

C. A.B.C

D. P.Q.R

I got this question in an international level competition.

The above asked question is from Impact Assessment topic in division Other Major Topics in Civil Engineering of Basic Civil Engineering

Correct answer is A. X.Y.Z

The best I can explain: Water quality is an important part to be checked in EIA. It can be a domestic and commercial use of water.  X stands for litres of water per capita, Y for number of people per household and Z for number of dwelling units.